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Lisanne F. Brown has more than 20 years of experience in public health evaluation and research and a background in epidemiologic and program evaluation methods. She has worked on numerous evaluation and applied research studies for local, state and federal agencies. Her areas of expertise include maternal and child health, health care access, integration of primary care and behavioral health, community-centered health homes, social determinants of health, mixed methods evaluation design and implementation, survey design, and evaluation capacity building.

Kevin O’Reilly is Abt’s principal accounting officer and a member of both the Pension and 401(k) Advisory Committees. He oversees financial reporting, global tax compliance, government accounting compliance, retirement services, billing, general accounting, payroll and accounts payable. O’Reilly joined Abt Global from Ropes & Gray, LLP, an $800-million law firm, where he was director of finance. Earlier in his career, O’Reilly spent more than 12 years in progressively more responsible roles at Private Healthcare Systems, Inc. He began as manager of accounting and was vice president and controller before the company was sold. O’Reilly also serves as the chairman of the advisory board at St. Francis Xavier School.

Douglas W. Elmendorf, Ph.D., is Lucius N. Littauer Professor of Public Policy at Harvard University’s John F. Kennedy School of Government. He served as Dean of the Kennedy School from 2016 to 2024 and was previously Director of the Congressional Budget Office from 2009 to 2015.Elmendorf has held senior economic positions with the Federal Reserve Board, the President’s Council of Economic Advisers, and the Treasury Department, where he was Deputy Assistant Secretary for Economic Policy. He is a widely respected economist who has deep knowledge of many of Abt’s core research areas, including health care policy and approaches to increasing economic security.Elmendorf is the author of more than 30 publications and has testified before Congress on economic issues 50 times since 2005. 

Chris has more than 20 years' experience with leading international law firms and major corporates across Asia Pacific, the United Kingdom and the United States.

Jeffrey (Jeff) Leone is a senior growth leader with more than 20 years of experience leading growth teams and managing complex business development functions such as capture, bids and proposals, market intelligence and competitive assessment, pipeline development, and sales analytics.  Leone’s experience cuts across a range of U.S. domestic and international development markets at Abt and at large, global companies. 

Manoj P. Singh is the former chief operating officer and global managing director at Deloitte Touche Tohmatsu, Ltd.  Prior to his mandatory retirement in June 2015, Singh’s responsibilities included leading various Deloitte initiatives, including setting global strategy, directing investments globally, leading areas such as finance, global technology, knowledge management, branding, and guiding country leadership in high-growth markets such as China, India, Africa, Southeast Asia, Mexico and Germany.

Debra Kemp Fleischer is a certified Project Management Professional (PMP) with 25 years of experience supporting federal programs. She applies her background in environmental science and policy with communications expertise to inform and engage stakeholders about regulatory and voluntary programs. She has led the development and implementation of multi-media communications strategies for a variety of audiences, including non-profit organizations, industry, environmental groups, and federal staff. She has experience with plain language writing, message development, and risk communication. 

Etienne Fondjo is a medical entomologist specializing in malaria with 20 years of experience in project management and malaria control funded by the public sector and its partners. He has served as the national malaria coordinator and as the deputy national malaria coordinator in Cameroon’s National Malaria Control Program (NMCP). He has also consulted for the World Health Organization (WHO) in five countries, served as principal investigator for 11 projects in Cameroon, and was the Central Africa coordinator for the Mapping Malaria Risk in Africa (MARA) project in nine countries.

Dr. Michael Plotzke is a senior health economist with expertise in the area of Medicare payment policy, the organization of healthcare providers and quality measurement. His work typically involves the analysis of large datasets such as Medicare claims, assessment and enrollment data. Dr. Plotzke serves as principal investigator for multiple projects with the Centers for Medicare & Medicaid Services.  On the “Home Health Prospective Payment System and Hospice: Analysis Support and Monitoring” project, Dr. Plotzke leads a team of researchers in analyzing trends in Medicare hospice and home health usage and constructing large-scale payment reform options for both benefits.  Dr. Plotzke also leads the “Evaluation of the Medicare Care Choices Model” project that evaluates a new payment model for end-of-life care that is being tested with 141 hospice providers.  This project involves analysis of existing administrative data and collection of new data through surveys of caregivers, surveys of hospice providers and in-depth case studies of hospice providers participating in the model.

Jane Pepperall is a senior health professional with over 30 years of experience in global health policy development and in supporting national health sector development in the Pacific, Asia, and Africa. She has focused on strategy and investments to strengthen health systems and health financing. Jane worked for the United Kingdom Department for International Development (DFID) (now the Foreign, Commonwealth and Development Office) for 20 years, including health adviser postings in Uganda, Kenya, Zimbabwe, Lesotho, Pakistan, and the Pacific. More recently she has been providing health strategy, policy, and technical advice to the Australian Department of Foreign Affairs and Trade (DFAT).